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MB3789 データシートの表示(PDF) - Fujitsu

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コンポーネント説明
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MB3789 Datasheet PDF : 28 Pages
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MB3789
s BLOCK DIAGRAM
+IN1 8
IN1 7
FB1 6
+IN2 9
IN2 10
FB2 11
DTC 12
Error amp. 1
Error amp. 2
8 µA
SCP comparator 1
PWM comparator
4 µA
CB
13
14 VCC2
10 k
OUT
15
0.9 V
0.3 V
VCC1 1
VREF 2
1.25 V
SCP comparator 2
Reference Power
voltage ON/OFF
supply circuit
2 µA
1.1 V
16
GND
5
SCP
1.25 V
SCP comparator 3
VREF
1.8 V
SR latch
Under voltage
Lock-out
protection
circuit
Sawtooth
wave
oscillator
External sync signal
4
SYNC
3
CT
4

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